A quick google search gave me this
Medical School Application TIMELINE
Keep in mind this is in an allopathic thread, however it’s probably similar among osteopathic schools.
“As I have said previously, and will undoubtedly say dozens of time during this 2018 application cycle (see count above) review of apps is not simply done in a linear chronological order. High achievers, URM, family of alumni, feeder schools, associated UG programs, linked postbaccs, and other factor may push an app forward in the process.”
-gonnif